參數(shù)資料
型號(hào): W3HG232M64SEU806D4GG
廠商: MICROSEMI CORP-PMG MICROELECTRONICS
元件分類: DRAM
英文描述: 64M X 64 DDR DRAM MODULE, 0.4 ns, DMA200
封裝: ROHS COMPLIANT, SO-DIMM-200
文件頁(yè)數(shù): 9/13頁(yè)
文件大小: 154K
代理商: W3HG232M64SEU806D4GG
W3HG232M64SEU-D4
June 2007
Rev. 2
ADVANCED
5
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
OPERATING TEMPERATURE CONDITION
Parameter
Symbol
Rating
Units
Notes
Operating temperature
TOPER
0° to 95°
°C
1, 2, 3, 4
Notes:
1. Operating Temperature is the case surface temperature on the center / top side of the DRAM.
2. The operating temperature range are the temperatures where all DRAM specication will be supported. During operation, the DRAM case temperature must be maintained between
0 - 95 °C under all other specication parameters.
3. 1) Above 85 °C the Auto-Refresh command interval has to be reduced to tREFI= 3.9 s
4. 1) When operating this product in the 85 °C to 95 °C TCASE temperature range, the High Temperature Self Refresh has to be enabled by setting EMR(2) bit A7 to “1”. When the
High Temperature Self Refresh is enabled there is an increase of IDD6 by approximately 50%
INPUT DC LOGIC LEVEL
All voltages referenced to VSS
Parameter
Symbol
Min
Max
Units
Input High (Logic 1) Voltage
VIH(DC)
VREF + 0.125
VCC + 0.300
V
Input Low (Logic 0) Voltage
VIL(DC)
-0.300
VREF - 0.125
V
INPUT AC LOGIC LEVEL
All voltages referenced to VSS
Parameter
Symbol
Min
Max
Units
Input High (Logic 1) Voltage DDR2-400 & DDR2-533
VIH(DC)
VREF + 0.250
-
V
Input Low (Logic 1) Voltage DDR2-667
VIH(DC)
VREF + 0.200
-
V
Input Low (Logic 0) Voltage DDR2-400 & DDR2-533
VIL(DC)
-
VREF - 0.250
V
Input Low (Logic 0) Voltage DDR2-667
VIL(DC)
-
VREF - 0.200
V
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